.index {
    width: 100%;
    height: 100%;
    font-family: '黑体';
}
.carousel {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
}
.desc {
    position: absolute;
    top: 20%;
    left: 17%;
    z-index: 999;
}
.desc1 {
    font-size: 30px;
    color: #ffffff;
}
.desc2 {
    font-size: 60px;
    color: #ffffff;
    font-weight: bold;
}
.desc3 {
    font-size: 20px;
    color: #ffffff;
}
.desc4 {
    font-size: 30px;
    color: #ffffff;
    font-weight: bold;
}

.icon-class {
    position: absolute;
    width: 70px;
    height: 70px;
    top:10px;
    right:20px;
    transform: rotate(315deg);
}